CAS 1514933-19-7 appears in our catalog under these names: Azilsartan Impurity 63, Azilsartan Impurity 56, Azilsartan Imidazole Carbonyl Dioxolene Ester, >95% (HPLC). Offered by: Chemat Brand, Hubei YoungXin, TRC. Available pack sizes: on request, 10mg, 25mg, 50mg, 100mg, 200mg, 5mg.